Cable guide



FIG. 1 is a perspective view thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a right side view thereof.

The broken lines shown in the Figures are for illustrative purposes only and form no part of the claimed design.

The left side view is identical to the right side view. 

The ornamental design for a cable guide, as shown and described. 